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Home >> Lexus >> 2025 >> NX 250 FWD >> Repair and Diagnosis >> Engine Mechanical >> Cooling System (Mechanical) >> Engine Cooling System - Service Information >> FLOW SHUTTING VALVE (for ATF) >> Installation [11/2021 - ] >> Procedure

Installation [11/2021 - ]: Procedure

  1. INSTALL FLOW SHUTTING VALVE (NO. 1 WATER BY-PASS HOSE) 
    1. GTY1076287Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Torque: 19 N.m (194 kgf/cm, 14 ft.lbf) 

    2. GTY1078010Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a View A *b 90°
      *c Upper Side *d RH Side
      *e 2 to 7 mm (0.0787 to 0.276 in.) - -
      1. Connect the flow shutting valve (No. 1 water by-pass hose) to the transmission oil cooler and slide the clip to secure it.
        NOTE:
        • Make sure to slide the flow shutting valve (No. 1 water by-pass hose) until it contacts the hose stopper of the transmission oil cooler.
        • Make sure that the tabs of the clip are within the area shown in the illustration.
    3. GTY1078517Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a View A *b 90°
      *c Upper Side *d RH Side
      *e 2 to 7 mm (0.0787 to 0.276 in.) - -
      1. Connect the flow shutting valve (No. 1 water by-pass hose) to the water outlet and slide the clip to secure it.
        NOTE:
        • Make sure to slide the flow shutting valve (No. 1 water by-pass hose until it contacts the hose) stopper of the water outlet.
        • Make sure that the tabs of the clip are within the area shown in the illustration.
    4. GTY1076317Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  2. INSTALL BATTERY CLAMP SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 42

  3. INSTALL BATTERY 

    Refer to INSTALLATION [11/2021 - ]

  4. INSTALL ECM 

    Refer to INSTALLATION [11/2021 - ]

  5. ADD ENGINE COOLANT 

    Refer to PROCEDURE - Step 5

  6. INSPECT FOR COOLANT LEAK 

    Refer to PROCEDURE - Step 1

  7. INSTALL FRONT FENDER APRON SEAL LH 

    Refer to PROCEDURE - Step 70

  8. INSTALL NO. 2 ENGINE UNDER COVER ASSEMBLY 

    Refer to PROCEDURE - Step 72

  9. INSTALL NO. 1 ENGINE UNDER COVER 

    Refer to PROCEDURE - Step 73

  10. INSTALL FRONT FENDER FRONT SPLASH SHIELD LH 
  11. INSTALL FRONT FENDER FRONT SPLASH SHIELD RH 
  12. INSTALL FRONT WHEEL LH 

    Refer to INSTALLATION [11/2021 - 03/2023] , or refer to INSTALLATION [03/2023 - 03/2024] , or refer to INSTALLATION [03/2024 - ]